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1953-08-18 |
Us Air Force |
Contractible head mount for binoculars
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1952-10-27 |
1955-08-31 |
Prot Inc |
Crash helmet and method for making same
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1964-05-18 |
1965-08-03 |
Electric Storage Battery Co |
Ear protector attachment in combination with a safety cap
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1966-05-17 |
1968-09-10 |
Leonard Peter Frieder |
Positioning means for sound attenuating ear cups on safety helmets
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1967-03-01 |
1969-03-04 |
Air Reduction |
Sound attenuator attachment for a protective helmet
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1970-03-19 |
1973-01-08 |
B Loennstedt |
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1971-06-21 |
1973-01-10 |
Exel Oy |
Method of connecting the hearing protector to the helmet and device for its application.
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1972-12-18 |
1975-02-11 |
Us Navy |
Adjustable earmuffs
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1973-03-14 |
1975-10-05 |
Всесоюзный Центральный Научно-Исследовательский Институт Охраны Труда |
A device for attaching anti-noise headphones to a protective helmet
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1974-06-26 |
1975-08-12 |
Mine Safety Appliances Co |
Ear protecting device for safety caps
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1975-02-14 |
1976-10-11 |
Exel Oy |
Combination device between the shoulder of a hearing protector and a protective helmet.
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1975-05-12 |
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Palmaer Tore Georg |
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Locating device for ear-muffs on helmets
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1975-07-02 |
1977-01-04 |
Plastigage Corporation |
Thimble end strain insulator fitting
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1976-03-10 |
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DEVICE WITH HELMET WITH WELL BELLS
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1977-07-01 |
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DEVICE IN THE SAFETY HELMET OR A SIMILAR CARRYING BODY
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HEARING PROTECTION HALLER
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FITTING MOUNT FOR ACCESSORIES OF ACCESSORIES, SPECIAL HEARING PROTECTION ON SAFETY HELMET
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Headphone
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1980-07-18 |
1982-09-07 |
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Ear muff accessory for safety hard hat
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1980-07-18 |
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Ear muff accessory for safety hard hat
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1984-08-13 |
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MEDICAL FIXING DEVICE FOR ACCESSORIES OF EXAMPLE PROTECTIVE HELMET
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Gripping device for headphones,helmets and masks protecting against the noise
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SET AND DEVICE FOR ARRESTING A CASTLE IN A TIE
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GUIDELINE FOR FELLABLE FACE PROTECTION ON A SAFETY HELMET
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1996-08-04 |
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Ear protection
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SPRING MOUNTING ARM FOR HEARING PROTECTION
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Holder for an ear cap on a protective helmet
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1998-12-22 |
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1999-08-31 |
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Ear protection
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Ear protection
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2005-12-13 |
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2007-04-24 |
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Hearing protector for protective helmets
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Device for holding a hearing cap to a helmet and a helmet comprising such a device
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Koninklijke Philips Electronics N.V. |
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2012-01-19 |
Anton Pfanner |
Hard hat, especially for forestry workers
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2010-11-04 |
2012-11-20 |
3M Innovative Properties Company |
Hearing protector
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2012-10-02 |
3M Innovative Properties Company |
Hearing protector
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2012-01-03 |
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Hearing protection headphones
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Headphone
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2012-07-17 |
3M Innovative Properties Company |
Hearing protector ear cups
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2012-07-17 |
3M Innovative Properties Company |
Hearing protector headband
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2014-01-07 |
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Hair stylist ear guard
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2012-09-06 |
2014-04-22 |
Point Clear Partners, Llc |
Novelty headband
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2014-04-29 |
Point Clear Partners, Llc |
Novelty headband
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2014-10-14 |
Microsoft Corporation |
Headset
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2014-09-30 |
Microsoft Corporation |
Headset
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Microsoft Corporation |
Headset
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2014-01-16 |
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